docs(device): document adapter service contracts

yeg

2026-08-26 a9e3435464f86a50ffa81a16ef92e47734adef6e

 ruoyi-device/src/test/java/com/ruoyi/device/contract/SimulatorPublicContractTest.java

@@ -22,4 +22,18 @@
            assertEquals(1, simulator.requests().size());
        }
    }

    @Test
    void simulatorPreservesRequestEndingWithDelimiterPrefix() throws Exception
    {
        try (ScriptedBtsTcpSimulator simulator = new ScriptedBtsTcpSimulator();
             BtsTcpTransport transport = new BtsTcpTransport("127.0.0.1", simulator.port(),
                     Duration.ofSeconds(1), Duration.ofSeconds(1)))
        {
            simulator.enqueue("ok");

            assertEquals("ok", transport.exchange("payload#"));
            assertEquals("payload#", simulator.requests().get(0));
        }
    }
}